.app{
	width: 100%;
	height: 100vh;
	background-color: #fff;
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
}
.btn86{
	width: 140px;
	height: 48px;
	background-color: transparent;
	border-radius: 5px;
	border: 4px ridge #2BD2FF;
	cursor: pointer;
	outline: none;
	position: relative;
	box-sizing: border-box;
	display: flex;
	justify-content: center;
	align-items: center;
	transition: box-shadow 0.46s linear;
}
.btn86:before{
	content: '';
	width: 120px;
	height: 48px;
	background-color: #fff;
	position: absolute;
	transition: width 0.24s linear;
}
.btn86:after{
	content: 'HOVER';
	font-size: 16px;
	font-weight: bold;
	letter-spacing: 2px;
	position: absolute;
	transition: text-shadow 0.46s linear;
}
.btn86:hover:before{
	width: 0;
}
.btn86:hover:after{
	text-shadow: 0 0 4px #2BD2FF;
}
.btn86:hover{
	box-shadow: inset 0 0 24px #2BD2FF;
}